Seiko Cal. 5671 - 656

The 5671-656 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-9c0c4a87baa1]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

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