Seiko Cal. 7021 - 718

This Spring Drive model from 1979 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-732cbbc29289]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1979

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