Seiko Cal. 7169 - 421

Seiko 7169-421

This Spring Drive model from 1966 features a 37mm Gold-Plated case. Powered by the 7169 caliber with 25j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-e76211a710b7]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1966

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