Seiko Cal. 4423 - 997

The Seiko 4423-997 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a14a5295d187]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

Related Models

• Seiko 4569-237
• Seiko 4418-971
• Seiko 4435-723
• Seiko 6210-701
• Seiko 6221-178
• Seiko 7079-699
• Seiko 4587-521
• Seiko 6664-157
• Seiko 7113-489
• Seiko 4528-779
• Seiko 5278-247
• Seiko 6614-875