Seiko Cal. 3841 - 637

Seiko 3841-637

The 3841-637 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3841 caliber with 27j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-e9c7ccd76037]

Also known as: Shogun

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
130m
Dial Color
Champagne
Jewels
27j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1983

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seikata-wm-e9c7ccd76037