Seiko Cal. 5239 - 770

The 5239-770 is a sought-after Solar piece from Seiko's golden era. Powered by the 5239 caliber with 22j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-a0407b599f48]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1968

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