Seiko Cal. 4437 - 775

The Seiko 4437-775 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b90e9e1f16f6]

Also known as: Sumo, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1982

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