Seiko Cal. 6653 - 307

The Seiko 6653-307 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-cf839406ff4b]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

Related Models

• Seiko 4473-202
• Seiko 5633-231
• Seiko 3836-220
• Seiko 3875-313
• Seiko 0798-131
• Seiko 4564-250
• Seiko 0770-630
• Seiko 7065-166
• Seiko 7154-142
• Seiko 7011-682
• Seiko 7144-788
• Seiko 5621-666