Seiko Cal. 0773 - 720

The Seiko 0773-720 represents an important milestone in Seiko's 1983 lineup. Powered by the 0773 caliber with 36j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-bda43bd70c49]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1983

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