Seiko Cal. 4436 - 735

The 4436-735 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-efd152fdb797]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

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