Seiko Cal. 5671 - 153

This Spring Drive model from 1983 features a 42mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-3d24ed496744]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1983

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