Seiko Cal. 4521 - 359

This Spring Drive model from 1973 features a 38mm Gold-Plated case. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-3bee3b79fc3b]

Also known as: Shogun, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1973

Related Models

• Seiko 7056-254
• Seiko 7165-641
• Seiko 6213-235
• Seiko 4447-626
• Seiko 0716-938
• Seiko 0725-314
• Seiko 6678-230
• Seiko 7064-438
• Seiko 0777-338
• Seiko 5640-118
• Seiko 6241-334
• Seiko 4554-775