Seiko Cal. 6140 - 850

Seiko 6140-850

The 6140-850 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6140 caliber with 27j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-6c1b50691b1e]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Silver
Jewels
27j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1985

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