Seiko Cal. 5678 - 987

This Spring Drive model from 1996 features a 40mm Hardlex-Coated Steel case. Powered by the 5678 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-c9299354b8c7]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1996

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