Seiko Cal. 6356 - 721

This Hand-Winding model from 1983 features a 36mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-d29fc390f215]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1983

Related Models

• Seiko 6166-868
• Seiko 3813-817
• Seiko 6127-960
• Seiko 6340-170
• Seiko 6257-321
• Seiko 6127-567
• Seiko 3880-563
• Seiko 6626-789
• Seiko 3817-820
• Seiko 6178-313
• Seiko 0787-219
• Seiko 3894-345