Seiko Cal. 6364 - 187

The Seiko 6364-187 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-21e2b7ea931c]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1965

Related Models

• Seiko 3824-306
• Seiko 6647-447
• Seiko 3821-387
• Seiko 6673-711
• Seiko 0747-309
• Seiko 6250-273
• Seiko 0743-397
• Seiko 6158-162
• Seiko 7146-626
• Seiko 0710-613
• Seiko 5675-583
• Seiko 7091-225