Seiko Cal. 6311 - 631

The 6311-631 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-9fbfd1590270]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1984

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