Seiko Cal. 5677 - 426

The 5677-426 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-9cb2dff52c47]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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