Seiko Cal. 5646 - 642

The Seiko 5646-642 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-b20c4f2e54f7]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1998

Related Models

• Seiko 7083-967
• Seiko 5613-575
• Seiko 6380-964
• Seiko 5293-267
• Seiko 5626-399
• Seiko 3874-414
• Seiko 0776-163
• Seiko 5650-620
• Seiko 0751-762
• Seiko 6388-620
• Seiko 4456-617
• Seiko 4439-101