Seiko Cal. 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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