Seiko Cal. 3815 - 874

The Seiko 3815-874 represents an important milestone in Seiko's 1979 lineup. Powered by the 3815 caliber with 17j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-ae4ac461ffef]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1979

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