Seiko Cal. 3820 - 871

This Spring Drive model from 1965 features a 46mm Two-Tone case. It features a Champagne dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-03f991e7c1ff]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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