Seiko Cal. 5656 - 499

The Seiko 5656-499 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-f3e0276065a8]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

Related Models

• Seiko 6610-808
• Seiko 6154-482
• Seiko 6197-602
• Seiko 6637-126
• Seiko 7144-960
• Seiko 0797-269
• Seiko 3850-884
• Seiko 6341-496
• Seiko 3893-901
• Seiko 5289-317
• Seiko 7153-838
• Seiko 5281-344