Seiko Cal. 0776 - 640

Seiko 0776-640

This Spring Drive model from 1990 features a 36mm Hardlex-Coated Steel case. Powered by the 0776 caliber with 19j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-ea7c7c418a66]

Also known as: Helmet, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1990

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