Seiko Cal. 3821 - 160

This Hand-Winding model from 1969 features a 45mm PVD Black case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-7c314a579880]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1969

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