Seiko Cal. 6656 - 427

This Hand-Winding model from 1990 features a 39mm Titanium case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-3d4024a6e3c0]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1990

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