Seiko Cal. 5638 - 841

This Spring Drive model from 1975 features a 35mm PVD Black case. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-d306a1db64ba]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1975

Related Models

• Seiko 4490-662
• Seiko 7161-537
• Seiko 4411-660
• Seiko 6290-730
• Seiko 6386-526
• Seiko 0733-653
• Seiko 5651-656
• Seiko 0728-202
• Seiko 3879-322
• Seiko 7084-825
• Seiko 7010-155
• Seiko 0787-100