Seiko Cal. 5634 - 407

Released in 1967, the Cal. 5634 with design code 407 was part of Seiko's domestic market collection. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b09cdb8fc426]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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