Seiko Cal. 6278 - 294

This Spring Drive model from 1987 features a 42mm Gold-Plated case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-851ea1cb5ff9]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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