Seiko Cal. 3821 - 213

This Automatic model from 1972 features a 37mm Stainless Steel case. Powered by the 3821 caliber with 18j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-aae78496af44]

Also known as: Turtle, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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