Seiko Cal. 6656 - 635

This Automatic model from 1994 features a 39mm Titanium case. Powered by the 6656 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-818abcc5bfa6]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1994

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