Seiko Cal. 5239 - 344

Seiko 5239-344

The Seiko 5239-344 represents an important milestone in Seiko's 1985 lineup. Powered by the 5239 caliber with 33j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-93590ca7ccb7]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Burgundy
Jewels
33j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1985

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