Seiko Cal. 6257 - 400

Seiko 6257-400

The Seiko 6257-400 represents an important milestone in Seiko's 1998 lineup. Powered by the 6257 caliber with 34j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-276ae70749af]

Also known as: Tuna, Rally

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1998

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