Seiko Cal. 4445 - 177

The 4445-177 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-644513b06317]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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