Seiko Cal. 7021 - 323

This Automatic model from 1971 features a 39mm PVD Black case. Powered by the 7021 caliber with 33j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-3e0de9c577e8]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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