Seiko Cal. 6657 - 209

This Kinetic model from 1975 features a 41mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-9e9f8a099d79]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1975

Related Models

• Seiko 5687-651
• Seiko 6360-944
• Seiko 5678-411
• Seiko 6187-657
• Seiko 0715-388
• Seiko 0793-800
• Seiko 5686-196
• Seiko 6312-557
• Seiko 6190-870
• Seiko 6384-934
• Seiko 6296-162
• Seiko 4442-709