Seiko Cal. 6661 - 911

This Hand-Winding model from 1991 features a 40mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-fac9a0b7cf14]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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