Seiko Cal. 5240 - 390

This Hand-Winding model from 1986 features a 36mm Gold-Plated case. Powered by the 5240 caliber with 23j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-094dfd527b68]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

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