Seiko Cal. 7015 - 310

The Seiko 7015-310 represents an important milestone in Seiko's 1971 lineup. Powered by the 7015 caliber with 23j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-716de82a5c74]

Also known as: Bellmatic, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1971

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