Seiko Cal. 4590 - 340

The 4590-340 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4af366cd9db6]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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