Seiko Cal. 3821 - 948

This Spring Drive model from 1989 features a 35mm PVD Black case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-50535d86d440]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1989

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