Seiko Cal. 3861 - 756

The 3861-756 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3861 caliber with 33j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-9bd91c6b5da8]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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