Seiko Cal. 5248 - 991

The 5248-991 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5248 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-fb64b6468d95]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1976

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