Seiko Cal. 6310 - 264

The Seiko 6310-264 represents an important milestone in Seiko's 1979 lineup. Powered by the 6310 caliber with 30j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-4ae2b6dba162]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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