Seiko Cal. 6310 - 744

The 6310-744 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6310 caliber with 26j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-b18c24803bf7]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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