Seiko Cal. 6356 - 100

This Hand-Winding model from 1973 features a 35mm Hardlex-Coated Steel case. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-1acf97950bad]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1973

Related Models

• Seiko 7092-789
• Seiko 6648-848
• Seiko 3811-553
• Seiko 0755-106
• Seiko 5642-187
• Seiko 3832-420
• Seiko 3899-217
• Seiko 0715-145
• Seiko 3897-757
• Seiko 6695-386
• Seiko 6615-535
• Seiko 7140-131