Seiko Cal. 4591 - 492

The Seiko 4591-492 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-58d54ce6e351]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1980

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