Seiko Cal. 7139 - 823

The 7139-823 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7139 caliber with 18j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-bb93379193c5]

Also known as: Crown, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1989

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