Seiko Cal. 6278 - 278

This Spring Drive model from 1991 features a 36mm Gold-Plated case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ceaff23e9ba2]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1991

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