Seiko Cal. 4540 - 639

This Quartz model from 1977 features a 36mm Two-Tone case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-c2c5dc885140]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

Related Models

• Seiko 0719-807
• Seiko 3857-869
• Seiko 0725-864
• Seiko 3838-567
• Seiko 4517-281
• Seiko 0769-699
• Seiko 0787-183
• Seiko 5245-937
• Seiko 5292-525
• Seiko 4592-847
• Seiko 5637-699
• Seiko 0732-480