Seiko Cal. 6131 - 412

This Hand-Winding model from 1985 features a 35mm Titanium case. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-e7fb8170629d]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1985

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