Seiko Cal. 3861 - 205

The Seiko 3861-205 represents an important milestone in Seiko's 1971 lineup. Powered by the 3861 caliber with 33j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-bfc754d14f58]

Also known as: Panda, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1971

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