Seiko Cal. 4437 - 988

The Seiko 4437-988 represents an important milestone in Seiko's 1993 lineup. Powered by the 4437 caliber with 23j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-0456a423845f]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1993

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