Seiko Cal. 0721 - 237

This Solar model from 1972 features a 45mm PVD Black case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9b82e45ef806]

Also known as: Rally, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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