Seiko Cal. 6139 - 718

The 6139-718 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6139 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-3bd09a782b3b]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1989

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