Seiko Cal. 4421 - 270

This Spring Drive model from 1980 features a 34mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-88f202f7d33b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1980

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