Seiko Cal. 4425 - 107

The Seiko 4425-107 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-b78493529c6d]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1967

Related Models

• Seiko 5623-360
• Seiko 0746-329
• Seiko 5678-900
• Seiko 7093-828
• Seiko 5657-439
• Seiko 7176-495
• Seiko 6663-474
• Seiko 5640-644
• Seiko 7047-316
• Seiko 7174-987
• Seiko 5652-861
• Seiko 3897-417