Seiko Cal. 4437 - 988

Seiko 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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