Seiko Cal. 5635 - 381

The Seiko 5635-381 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-95c8ba1c9e22]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

Related Models

• Seiko 6378-131
• Seiko 0740-272
• Seiko 6352-783
• Seiko 5221-336
• Seiko 4568-892
• Seiko 6371-700
• Seiko 0758-392
• Seiko 6678-162
• Seiko 0782-405
• Seiko 3823-194
• Seiko 6186-154
• Seiko 5687-730