Seiko Cal. 5630 - 777

Seiko 5630-777

This Quartz model from 1978 features a 45mm Hardlex-Coated Steel case. Powered by the 5630 caliber with 24j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-62bc0d1f634c]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
12.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1978

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