Seiko Cal. 6221 - 452

This Spring Drive model from 1968 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-c30e637e60ac]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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