Seiko Cal. 7039 - 652

The 7039-652 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7039 caliber with 21j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-cd39ceaa73a2]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

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