Seiko Cal. 4540 - 523

This Quartz model from 1969 features a 40mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-895729d528c4]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1969

Related Models

• Seiko 4488-776
• Seiko 6181-705
• Seiko 3894-685
• Seiko 5299-500
• Seiko 5268-258
• Seiko 6198-469
• Seiko 6316-901
• Seiko 5266-528
• Seiko 6226-321
• Seiko 6171-520
• Seiko 6687-820
• Seiko 6298-116