Seiko Cal. 4517 - 237

The 4517-237 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4517 caliber with 36j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-8cd98dc2b211]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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