Seiko Cal. 5239 - 427

The Seiko 5239-427 represents an important milestone in Seiko's 1972 lineup. Powered by the 5239 caliber with 33j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-7a0825bb10e3]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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