Seiko Cal. 4436 - 806

The 4436-806 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3932cd18ec60]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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