Seiko Cal. 3860 - 311

This Solar model from 1977 features a 43mm Stainless Steel case. Powered by the 3860 caliber with 27j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-c41f5603ae01]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

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