Seiko Cal. 3883 - 640

Seiko 3883-640

The Seiko 3883-640 represents an important milestone in Seiko's 1999 lineup. Powered by the 3883 caliber with 17j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-4233de1db1c7]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1999

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