Seiko Cal. 3874 - 921

Seiko 3874-921

The 3874-921 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3874 caliber with 28j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-fe67de0f52fc]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
Burgundy
Jewels
28j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1968

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