Seiko Cal. 6681 - 997

Seiko 6681-997

This Hand-Winding model from 1968 features a 44mm Hardlex-Coated Steel case. Powered by the 6681 caliber with 26j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-0a94f82410d6]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
26j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1968

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