Seiko Cal. 6631 - 591

This Automatic model from 1993 features a 42mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-d8653c0e921e]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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