Seiko Cal. 5671 - 658

Released in 1978, the Cal. 5671 with design code 658 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-e896e64c5a35]

Also known as: Samurai, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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