Seiko Cal. 6310 - 915

The Seiko 6310-915 represents an important milestone in Seiko's 1977 lineup. Powered by the 6310 caliber with 20j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-2060ae04edde]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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