Seiko Cal. 3821 - 920

This Hand-Winding model from 1967 features a 42mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-984059cd37d4]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1967

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