Seiko Cal. 5263 - 139

The 5263-139 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5263 caliber with 17j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-b1d9f618e7e1]

Also known as: Monster, Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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