Seiko Cal. 4537 - 778

The Seiko 4537-778 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-11f5a32bb18d]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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