Seiko Cal. 3810 - 712

This Hand-Winding model from 1970 features a 46mm Hardlex-Coated Steel case. Powered by the 3810 caliber with 29j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-955d4a38dcbc]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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