Seiko Cal. 3876 - 109

The Seiko 3876-109 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-eb51e0ed620e]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

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