Seiko Cal. 5680 - 633

The 5680-633 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-dd5f00cb5b5b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

Related Models

• Seiko 0714-200
• Seiko 6653-573
• Seiko 6650-687
• Seiko 4476-431
• Seiko 6391-534
• Seiko 6659-135
• Seiko 6313-475
• Seiko 6163-298
• Seiko 6237-519
• Seiko 5658-426
• Seiko 0750-497
• Seiko 6345-875