Seiko Cal. 6621 - 816

This Hand-Winding model from 1977 features a 40mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-3cea5a148f1d]

Also known as: Goldfeather, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1977

Related Models

• Seiko 0792-769
• Seiko 4484-815
• Seiko 7161-716
• Seiko 6181-592
• Seiko 6636-199
• Seiko 4512-168
• Seiko 5638-350
• Seiko 6618-616
• Seiko 6366-941
• Seiko 5297-918
• Seiko 4534-161
• Seiko 4487-575