Seiko Cal. 6139 - 883

The 6139-883 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6139 caliber with 30j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-0269925ccbb7]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1988

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