Seiko Cal. 5615 - 518

The Seiko 5615-518 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6720df09bdd7]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 4472-736
• Seiko 7048-286
• Seiko 7160-665
• Seiko 7155-410
• Seiko 4414-528
• Seiko 6192-687
• Seiko 4433-703
• Seiko 6199-801
• Seiko 4453-768
• Seiko 0768-746
• Seiko 0734-447
• Seiko 0766-725