Seiko Cal. 4598 - 691

This Spring Drive model from 1978 features a 45mm PVD Black case. Powered by the 4598 caliber with 33j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-59d6aeadbd3c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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