Seiko Cal. 3872 - 686

The Seiko 3872-686 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-73d5349d8879]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

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