Seiko Cal. 5645 - 680

Seiko 5645-680

This Quartz model from 1969 features a 43mm Hardlex-Coated Steel case. Powered by the 5645 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-b446fde99e32]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
33j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1969

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