Seiko Cal. 0770 - 452

Seiko 0770-452

This Automatic model from 1967 features a 46mm Hardlex-Coated Steel case. Powered by the 0770 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-dc20a020dd16]

Also known as: Tuna, Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Champagne
Jewels
21j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1967

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seikata-wm-dc20a020dd16