Seiko Cal. 3874 - 747

Seiko 3874-747

The 3874-747 is a sought-after Solar piece from Seiko's golden era. Powered by the 3874 caliber with 25j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-6bc2228bb506]

Also known as: Rally

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
14.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1970

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