Seiko Cal. 3872 - 304

The 3872-304 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-dd3be285815e]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1969

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