Seiko Cal. 6318 - 678

This Spring Drive model from 1974 features a 39mm Two-Tone case. With its 20mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-c9b488786c69]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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