Seiko Cal. 6615 - 824

The Seiko 6615-824 represents an important milestone in Seiko's 1975 lineup. Powered by the 6615 caliber with 20j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-80a5ce6600e3]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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