Seiko Cal. 5678 - 781

The Seiko 5678-781 represents an important milestone in Seiko's 1986 lineup. Powered by the 5678 caliber with 22j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-15d4d5e32779]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1986

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