Seiko Cal. 6221 - 678

This Spring Drive model from 1978 features a 36mm Gold-Plated case. It features a Silver dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-ba5d447a6ed2]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1978

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