Seiko Cal. 6621 - 452

This Spring Drive model from 1980 features a 37mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-2c5be2b693ad]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1980

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