Seiko Cal. 6128 - 691

Seiko 6128-691

This Hand-Winding model from 1975 features a 46mm Hardlex-Coated Steel case. Powered by the 6128 caliber with 29j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-95f64a3106c6]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
White
Jewels
29j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1975

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seikata-wm-95f64a3106c6