Seiko Cal. 4521 - 165

This Spring Drive model from 1967 features a 40mm Titanium case. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-fec26a7a8dc2]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1967

Related Models

• Seiko 4419-279
• Seiko 6254-778
• Seiko 5650-900
• Seiko 6137-862
• Seiko 3851-707
• Seiko 4422-262
• Seiko 7088-106
• Seiko 7076-914
• Seiko 0748-352
• Seiko 3863-922
• Seiko 6126-395
• Seiko 5628-872