Seiko Cal. 5637 - 993

Seiko 5637-993

This Quartz model from 1983 features a 37mm Two-Tone case. Powered by the 5637 caliber with 23j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-6d5d457938b5]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1983

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