Seiko Cal. 6310 - 203

Released in 1986, the Cal. 6310 with design code 203 was part of Seiko's domestic market collection. Powered by the 6310 caliber with 33j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-c94bc9ed665b]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1986

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