Seiko Cal. 6655 - 667

This Hand-Winding model from 1979 features a 45mm Titanium case. Powered by the 6655 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-c29ad55ae177]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1979

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