Seiko Cal. 4437 - 776

The Seiko 4437-776 represents an important milestone in Seiko's 1989 lineup. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-bc0ca550c9f5]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1989

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