Seiko Cal. 5634 - 678

The 5634-678 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-ae45363cb922]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

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