Seiko Cal. 6257 - 406

This Hand-Winding model from 1988 features a 41mm Titanium case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a8e7fc6d9a27]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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