Seiko Cal. 5634 - 716

The 5634-716 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-060461ec188d]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1988

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