Seiko Cal. 4426 - 717

This Automatic model from 1982 features a 36mm Stainless Steel case. Powered by the 4426 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-5d6d71fdc393]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1982

Related Models

• Seiko 5671-543
• Seiko 6648-177
• Seiko 4417-179
• Seiko 5292-832
• Seiko 7010-789
• Seiko 7025-233
• Seiko 7146-346
• Seiko 5255-862
• Seiko 6182-490
• Seiko 6136-461
• Seiko 7036-755
• Seiko 4560-410