Seiko Cal. 3850 - 664

This Spring Drive model from 1970 features a 34mm Two-Tone case. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-f2562bd69fed]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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