Seiko Cal. 4477 - 320

The 4477-320 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-756503e3b84f]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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