Seiko Cal. 4590 - 913

The Seiko 4590-913 represents an important milestone in Seiko's 1967 lineup. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-461f3cb2117d]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1967

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