Seiko Cal. 5631 - 577

This Automatic model from 1979 features a 46mm Two-Tone case. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-0736ab8e2068]

Also known as: Panda, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1979

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