Seiko Cal. 5278 - 737

The Seiko 5278-737 represents an important milestone in Seiko's 1980 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-3df9ef76f8d2]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1980

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