Seiko Cal. 5278 - 312

The Seiko 5278-312 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-41e6accffba0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1984

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