Seiko Cal. 7131 - 903

Seiko 7131-903

This Automatic model from 1999 features a 45mm Stainless Steel case. Powered by the 7131 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-8d60c24676a2]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
110m
Dial Color
Burgundy
Jewels
21j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1999

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