Seiko Cal. 6658 - 291

Seiko 6658-291

This Automatic model from 1984 features a 41mm Hardlex-Coated Steel case. Powered by the 6658 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-258fdc4a5045]

Also known as: Bullhead, Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1984

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seikata-wm-258fdc4a5045