Seiko Cal. 5620 - 763

Seiko 5620-763

This Quartz model from 1978 features a 45mm Stainless Steel case. Powered by the 5620 caliber with 30j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-7be2f54f5b8f]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
160m
Dial Color
Cream
Jewels
30j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1978

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