Seiko Cal. 5648 - 632

This Automatic model from 1991 features a 37mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-8e3fe387ebe8]

Also known as: Tuna, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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