Seiko Cal. 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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