Seiko Cal. 6615 - 712

The Seiko 6615-712 represents an important milestone in Seiko's 1974 lineup. Powered by the 6615 caliber with 25j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-801d02d7daf5]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1974

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