Seiko Cal. 5239 - 378

The 5239-378 is a sought-after Solar piece from Seiko's golden era. Powered by the 5239 caliber with 23j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-2b58151b150c]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1988

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