Seiko Cal. 5239 - 345

The Seiko 5239-345 represents an important milestone in Seiko's 1971 lineup. Powered by the 5239 caliber with 24j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-32a0afc23339]

Also known as: Helmet, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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