Seiko Cal. 4589 - 731

The Seiko 4589-731 represents an important milestone in Seiko's 1972 lineup. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-33e716f7c999]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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