Seiko Cal. 6231 - 665

This Spring Drive model from 1985 features a 35mm Titanium case. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-3401ffacfa61]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1985

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