Seiko Cal. 6250 - 639

Seiko 6250-639

The 6250-639 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6250 caliber with 36j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-9d277d2bfcaa]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
9.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1992

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