Seiko Cal. 4436 - 728

The 4436-728 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-530b8b45fcf2]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1965

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