Seiko Cal. 6118 - 831

The 6118-831 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-916cf31fceba]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1968

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