Seiko Cal. 6678 - 101

This Spring Drive model from 1990 features a 34mm Gold-Plated case. Powered by the 6678 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-09a790dd2881]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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