Seiko Cal. 5239 - 427

Seiko 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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