Seiko Cal. 5278 - 751

This Spring Drive model from 1990 features a 44mm PVD Black case. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-ef5cfe3f460c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1990

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