Seiko Cal. 4421 - 327

This Spring Drive model from 1971 features a 36mm Gold-Plated case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-bca42362a884]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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