Seiko Cal. 6257 - 424

Seiko 6257-424

The 6257-424 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6257 caliber with 36j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-9b5752ca138a]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1976

Related Models

seikata-wm-9b5752ca138a