Seiko Cal. 6310 - 658

The Seiko 6310-658 represents an important milestone in Seiko's 1983 lineup. Powered by the 6310 caliber with 33j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-3e90b48bf106]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

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