Seiko Cal. 3881 - 905

Seiko 3881-905

The Seiko 3881-905 represents an important milestone in Seiko's 1991 lineup. Powered by the 3881 caliber with 31j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-b84318e7f085]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
36mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1991

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