Seiko Cal. 4486 - 739

The Seiko 4486-739 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-02fc5f212484]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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