Seiko Cal. 3881 - 991

The Seiko 3881-991 represents an important milestone in Seiko's 1994 lineup. Powered by the 3881 caliber with 23j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-3a241cab5b5d]

Also known as: UFO, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1994

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