Seiko Cal. 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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