Seiko Cal. 7121 - 507

The Seiko 7121-507 represents an important milestone in Seiko's 1967 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d6025b4797a8]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

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