Seiko Cal. 4540 - 590

This Solar model from 1965 features a 46mm Hardlex-Coated Steel case. Powered by the 4540 caliber with 20j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-22e91eb86d6b]

Also known as: Turtle, Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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