Seiko Cal. 4428 - 794

The Seiko 4428-794 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-097c954d3eb2]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1969

Related Models

• Seiko 6635-601
• Seiko 6623-825
• Seiko 6142-869
• Seiko 5279-714
• Seiko 4492-516
• Seiko 7153-600
• Seiko 6110-373
• Seiko 6170-676
• Seiko 7021-136
• Seiko 6274-732
• Seiko 6688-900
• Seiko 3811-704