Seiko Cal. 4559 - 185

This Solar model from 1978 features a 37mm Two-Tone case. Powered by the 4559 caliber with 28j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-347e7817fbd8]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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