Seiko Cal. 6274 - 637

This Automatic model from 1978 features a 38mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-30f17d2ea9da]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

Related Models

• Seiko 6649-575
• Seiko 7187-838
• Seiko 7014-317
• Seiko 4440-915
• Seiko 5294-245
• Seiko 5642-411
• Seiko 5639-613
• Seiko 5233-178
• Seiko 6215-838
• Seiko 6684-350
• Seiko 6397-582
• Seiko 6330-482