Seiko Cal. 3881 - 991

Seiko 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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