Seiko Cal. 6615 - 999

The Seiko 6615-999 represents an important milestone in Seiko's 1976 lineup. Powered by the 6615 caliber with 20j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-b3bc462e1c4a]

Also known as: Monster, Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1976

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