Seiko Cal. 0722 - 350

Seiko 0722-350

This Spring Drive model from 1967 features a 44mm Gold-Plated case. Powered by the 0722 caliber with 31j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-1ebd5e063047]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
15.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1967

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