Seiko Cal. 6656 - 173

This Spring Drive model from 1998 features a 37mm Titanium case. Powered by the 6656 caliber with 25j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-728e7601952b]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1998

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