Seiko Cal. 6311 - 631

The 6311-631 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-fb34076397de]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1994

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