Seiko Cal. 5664 - 276

The Seiko 5664-276 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-4cf587ce7e08]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1990

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