Seiko Cal. 7133 - 631

Seiko 7133-631

This Spring Drive model from 1999 features a 41mm Gold-Plated case. Powered by the 7133 caliber with 30j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-bb72c68a43fb]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1999

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