Aragon · Microbrand · United States

Aragon DiveTank 48mm (Seiko NE57)

In production · Diver

From $400 to $430
  • Seiko NE57A
  • 48 mm × 17 mm
  • K1 mineral crystal
  • 500 m water resistance

Movement

Type
Automatic
Tier
Entry
Complications
Date, Power reserve
Frequency
21,600 bph
Power reserve
41 h
Hacking
Yes
Accuracy (factory)
-20 / +40 s/day

Case

Diameter
48 mm
Lug to lug
—
Thickness
17 mm
Lug width
24 mm
Material
—
Hardening
—
Water resistance
500 m
Crown
Screw-down
Case back
Display
Bezel
Unidirectional
Helium valve
Yes

Crystal & dial

Crystal
K1 mineral
Shape
—
Anti-reflective
—
Lume
—

Bracelet

Bracelet
—

Straps

Strap 1
Silicone, 9.5" long and 24mm wide, with a 20mm buckle

Weight

Head only
—
On bracelet
—
On strap
—
Stated weight (basis not given)
190 g

Prices

VariantConfigurationTypePriceUSDAs ofSource
Teal—Msrp400 USD$4002026-11-01link
Teal—Sale230 USD$2302026-11-01link
White—Msrp430 USD$4302026-11-01link
White—Sale250 USD$2502026-11-01link

Variants

NameReferenceDialBezel
TealA663TEAteal—
WhiteA663WHTwhite lume (glows green)white lume (glows blue)

About this entry

60% of key specs known. Missing: lug-to-lug, case material, hardening, AR coating, lume, bracelet offered.

Sold as "DiveTank NE57" (listing "DF DiveTank Power Reserve Automatic"), in Aragon's DF (Depth Fighter) series. Brand spec list (each colour's page): "NE57 power reserve automatic with 29 Jewels", movement from Japan; 48mm case, 17mm thick (not said whether with the crystal); "K1 Hardened Mineral" crystal; screw-down crown; silicone strap, 9.5" long and 24mm wide (lug width taken from the strap width), 20mm buckle; "50 ATM - 500 meters - 1650 feet"; unidirectional rotating bezel; exhibition case back; helium release valve; weight 6.7 oz (recorded as 190g, not said what was weighed). The white page adds "White glow green lume dial, white glow blue lume bezel". Lug to lug and case material aren't stated. Both in stock on 2026-11-01: teal on sale at $230 (Our Price $400), white at $250 ($430).

Last verified: 2026-11-01. Edit or correct this entry.

Sources