Seiko Cal. 5681 - 920

Seiko 5681-920

This Hand-Winding model from 1974 features a 45mm Titanium case. Powered by the 5681 caliber with 22j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c898b38e28cc]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1974

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