Seiko Cal. 3872 - 309

The Seiko 3872-309 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-96864be47152]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1974

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