Seiko Cal. 4444 - 598

This Spring Drive model from 1982 features a 37mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-b31a842aaa60]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1982

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