Seiko Cal. 6364 - 721

This Hand-Winding model from 1977 features a 46mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-b5a1d172d58a]

Also known as: Crown, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

Related Models

• Seiko 6241-514
• Seiko 5213-117
• Seiko 6219-310
• Seiko 4526-209
• Seiko 6124-767
• Seiko 7011-599
• Seiko 0713-289
• Seiko 6256-720
• Seiko 4539-315
• Seiko 3886-414
• Seiko 5627-753
• Seiko 4423-152