Seiko Cal. 6310 - 985

The Seiko 6310-985 represents an important milestone in Seiko's 1965 lineup. Powered by the 6310 caliber with 24j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-95ea37232fb6]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1965

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