Seiko Cal. 6310 - 755

Released in 1985, the Cal. 6310 with design code 755 was part of Seiko's domestic market collection. Powered by the 6310 caliber with 20j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-ec2cc1ebdf7b]

Also known as: Sea Horse, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1985

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