Seiko Cal. 3820 - 989

This Spring Drive model from 1974 features a 36mm Two-Tone case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-757054e076b4]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

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