Seiko Cal. 5648 - 164

The Seiko 5648-164 represents an important milestone in Seiko's 1997 lineup. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-17d5da219b43]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1997

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