Seiko Cal. 5648 - 926

The Seiko 5648-926 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-7a688b9ea07a]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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