Seiko Cal. 5649 - 631

The Seiko 5649-631 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-15a650106027]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1980

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