Seiko Cal. 5637 - 435

The 5637-435 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-9833e0633f9c]

Also known as: Goldfeather, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

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