Seiko Cal. 5639 - 346

This Quartz model from 1970 features a 40mm Titanium case. With its 18mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-7cb0e2d29d53]

Also known as: Bullhead, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1970

Related Models

• Seiko 4574-584
• Seiko 7072-447
• Seiko 0771-861
• Seiko 5295-584
• Seiko 7043-845
• Seiko 0728-492
• Seiko 7086-369
• Seiko 6673-694
• Seiko 0770-520
• Seiko 7093-493
• Seiko 6642-323
• Seiko 3889-524