Seiko Cal. 6678 - 644

This Spring Drive model from 1998 features a 36mm Two-Tone case. Powered by the 6678 caliber with 28j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-3fd0c841555c]

Also known as: Shogun, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1998

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