Seiko Cal. 4445 - 539

This Quartz model from 1977 features a 40mm Two-Tone case. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-9b28a5bab9ca]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1977

Related Models

• Seiko 6379-457
• Seiko 4416-849
• Seiko 7022-751
• Seiko 7172-536
• Seiko 6275-579
• Seiko 6123-921
• Seiko 0798-422
• Seiko 3817-696
• Seiko 7192-870
• Seiko 5616-270
• Seiko 6637-458
• Seiko 5225-104