Seiko Cal. 4521 - 929

This Hand-Winding model from 1983 features a 34mm Two-Tone case. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-cea53ff4e662]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1983

Related Models

• Seiko 0710-548
• Seiko 4553-935
• Seiko 4578-114
• Seiko 3831-633
• Seiko 5282-914
• Seiko 7176-182
• Seiko 3859-378
• Seiko 6393-169
• Seiko 5214-585
• Seiko 6378-987
• Seiko 5669-320
• Seiko 6688-399