Seiko Cal. 3863 - 949

The Seiko 3863-949 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-cf67fcf27da5]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1968

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