Seiko Cal. 5615 - 842

The 5615-842 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5615 caliber with 23j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-ea3a3e65a062]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1975

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