Seiko Cal. 5681 - 646

This Hand-Winding model from 1993 features a 36mm Titanium case. Powered by the 5681 caliber with 32j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-80d566f2077e]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1993

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