Seiko Cal. 3880 - 448

The Seiko 3880-448 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-fc8fbe24dfef]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1971

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