Seiko Cal. 3865 - 310

This Quartz model from 1965 features a 38mm Stainless Steel case. Powered by the 3865 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-75b8d00e4bff]

Also known as: Crown, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1965

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