Seiko Cal. 7137 - 263

Seiko 7137-263

This Solar model from 1973 features a 44mm Hardlex-Coated Steel case. Powered by the 7137 caliber with 31j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-9a049d8fdae7]

Also known as: Bellmatic, Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Cream
Jewels
31j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1973

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