Seiko Cal. 4539 - 619

This Spring Drive model from 1979 features a 44mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-d39a34600125]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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