Seiko Cal. 5689 - 877

Seiko 5689-877

This Spring Drive model from 1974 features a 40mm Hardlex-Coated Steel case. Powered by the 5689 caliber with 19j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-def440c8f0ab]

Also known as: Monster, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Champagne
Jewels
19j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1974

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