Seiko Cal. 6657 - 859

This Hand-Winding model from 1982 features a 40mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-92251f0af335]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

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