Seiko Cal. 4518 - 615

This Spring Drive model from 1969 features a 36mm Two-Tone case. Powered by the 4518 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-840f3168bd09]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1969

Related Models

• Seiko 0739-417
• Seiko 6124-964
• Seiko 6223-870
• Seiko 4444-661
• Seiko 4549-859
• Seiko 6341-273
• Seiko 4492-973
• Seiko 7097-479
• Seiko 6375-138
• Seiko 6191-188
• Seiko 6118-646
• Seiko 7142-799