Seiko Cal. 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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