Seiko Cal. 6257 - 931

This Spring Drive model from 1989 features a 40mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-5bccce137807]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1989

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