Seiko Cal. 6221 - 543

This Spring Drive model from 1976 features a 45mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-05f7e30fec91]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1976

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