Seiko Cal. 3876 - 440

The Seiko 3876-440 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-08276c3377cd]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1972

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