Seiko Cal. 5645 - 176

The 5645-176 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-d42b33bb04ca]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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