Seiko Cal. 7199 - 639

The 7199-639 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7199 caliber with 35j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-97dd0e087716]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1984

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