Seiko Cal. 4420 - 251

This Spring Drive model from 1983 features a 37mm Two-Tone case. Powered by the 4420 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-9905b445f776]

Also known as: Shogun, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1983

Related Models

• Seiko 3829-391
• Seiko 4484-695
• Seiko 4536-412
• Seiko 6130-468
• Seiko 6128-537
• Seiko 7045-855
• Seiko 5662-788
• Seiko 5232-997
• Seiko 5285-177
• Seiko 6624-304
• Seiko 6667-280
• Seiko 4458-415