Seiko Cal. 6131 - 635

The 6131-635 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-eef6211a7161]

Also known as: Crown, Flighty

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1976

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