Seiko Cal. 5660 - 599

The Seiko 5660-599 represents an important milestone in Seiko's 1979 lineup. It features a Cream dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-dd7c38272dc5]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1979

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