Seiko Cal. 6310 - 730

Released in 1977, the Cal. 6310 with design code 730 was part of Seiko's domestic market collection. Powered by the 6310 caliber with 32j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-be54174880ce]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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