Seiko Cal. 7021 - 661

This Spring Drive model from 1973 features a 42mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-8f20e60e538a]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

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