Seiko Cal. 6311 - 611

The Seiko 6311-611 represents an important milestone in Seiko's 1993 lineup. Powered by the 6311 caliber with 31j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-2a6954bc2174]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1993

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