Seiko Cal. 5617 - 631

Released in 1973, the Cal. 5617 with design code 631 was part of Seiko's domestic market collection. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d1ff179bdd63]

Also known as: Rally, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

Related Models

• Seiko 5626-661
• Seiko 4557-633
• Seiko 7040-331
• Seiko 7159-394
• Seiko 5216-514
• Seiko 6692-430
• Seiko 6353-724
• Seiko 5673-703
• Seiko 3878-553
• Seiko 4431-719
• Seiko 0778-627
• Seiko 7139-808