Seiko Cal. 5237 - 721

Seiko 5237-721

This Automatic model from 1991 features a 39mm Hardlex-Coated Steel case. Powered by the 5237 caliber with 33j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-ac989d505038]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Silver
Jewels
33j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1991

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seikata-wm-ac989d505038