Seiko Cal. 5615 - 666

The Seiko 5615-666 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-d4d6c35642c5]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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