Seiko Cal. 6681 - 391

This Spring Drive model from 1973 features a 39mm Two-Tone case. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-9a2739586606]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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