Seiko Cal. 3898 - 789

The Seiko 3898-789 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1aa7d0bd945d]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

Related Models

• Seiko 6369-406
• Seiko 4487-572
• Seiko 4413-345
• Seiko 7069-900
• Seiko 4478-618
• Seiko 3869-755
• Seiko 7094-558
• Seiko 3813-601
• Seiko 6278-362
• Seiko 0759-265
• Seiko 5637-311
• Seiko 6276-888