Seiko Cal. 5642 - 398

This Solar model from 1966 features a 42mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-419376cf2b73]

Also known as: Bullhead, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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