Seiko Cal. 6310 - 998

Released in 1983, the Cal. 6310 with design code 998 was part of Seiko's domestic market collection. Powered by the 6310 caliber with 29j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-3681bc2eb424]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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