Seiko Cal. 3877 - 235

The Seiko 3877-235 represents an important milestone in Seiko's 1981 lineup. Powered by the 3877 caliber with 26j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-1c22ed7c768c]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1981

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