Seiko Cal. 3837 - 927

Seiko 3837-927

The 3837-927 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3837 caliber with 28j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-db42e6f09a8b]

Also known as: UFO, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Champagne
Jewels
28j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1984

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