Seiko Cal. 5278 - 537

The Seiko 5278-537 represents an important milestone in Seiko's 1973 lineup. Powered by the 5278 caliber with 22j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-0ac93969b209]

Also known as: Shogun, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

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