Seiko Cal. 7139 - 823

Seiko 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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