Seiko Cal. 4437 - 871

The Seiko 4437-871 represents an important milestone in Seiko's 1984 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-dd30bedd9725]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1984

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