Seiko Cal. 6278 - 557

This Spring Drive model from 1992 features a 37mm Two-Tone case. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-ab587bce5c6b]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1992

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