Seiko Cal. 6257 - 631

Seiko 6257-631

The 6257-631 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6257 caliber with 23j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-56be119aba1e]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
36mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1969

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