Seiko Cal. 6615 - 450

The Seiko 6615-450 represents an important milestone in Seiko's 1970 lineup. Powered by the 6615 caliber with 23j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-b836bdd1a6e1]

Also known as: Sea Horse, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1970

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