Seiko Cal. 6111 - 991

Released in 1968, the Cal. 6111 with design code 991 was part of Seiko's domestic market collection. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-30cb8903ab4a]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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