Seiko Cal. 4591 - 312

The Seiko 4591-312 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-35e4b8078510]

Also known as: Samurai, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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