Seiko Cal. 5274 - 421

This Solar model from 1976 features a 40mm Stainless Steel case. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-f3534d9e7c24]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

Related Models

• Seiko 3823-844
• Seiko 5243-833
• Seiko 6669-631
• Seiko 6384-994
• Seiko 0722-450
• Seiko 6374-642
• Seiko 3858-434
• Seiko 6166-320
• Seiko 5644-576
• Seiko 0777-682
• Seiko 4418-546
• Seiko 5292-440