Seiko Cal. 3898 - 375

The Seiko 3898-375 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-dfa72e57231b]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1972

Related Models

• Seiko 7129-554
• Seiko 5680-691
• Seiko 6144-454
• Seiko 0791-619
• Seiko 0725-214
• Seiko 3870-970
• Seiko 5654-945
• Seiko 6390-767
• Seiko 6157-151
• Seiko 5658-105
• Seiko 4554-991
• Seiko 6181-296