Seiko Cal. 3874 - 920

Seiko 3874-920

The 3874-920 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3874 caliber with 21j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-17a0f29e4447]

Also known as: Monster, Pogue

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Champagne
Jewels
21j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1989

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seikata-wm-17a0f29e4447