Seiko Cal. 5242 - 991

The 5242-991 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5242 caliber with 17j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-6a79221b0ff6]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1967

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