Seiko Cal. 5237 - 775

The Seiko 5237-775 represents an important milestone in Seiko's 1973 lineup. Powered by the 5237 caliber with 26j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-c46cac95b894]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1973

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