Seiko Cal. 6381 - 455

This Spring Drive model from 1975 features a 39mm Two-Tone case. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-c1f0d3b694b5]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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