Seiko Cal. 6291 - 139

Seiko 6291-139

The 6291-139 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6291 caliber with 20j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-7cc55baad70e]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1985

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seikata-wm-7cc55baad70e