Seiko Cal. 5646 - 288

This Quartz model from 1979 features a 42mm Gold-Plated case. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-4da8dd91f644]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

Related Models

• Seiko 6619-940
• Seiko 5685-406
• Seiko 6629-967
• Seiko 4499-731
• Seiko 3854-532
• Seiko 4523-102
• Seiko 5678-326
• Seiko 7099-148
• Seiko 0727-701
• Seiko 6619-559
• Seiko 5685-353
• Seiko 6263-849