Seiko Cal. 7139 - 999

The 7139-999 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7139 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-64660fe4816e]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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