Seiko Cal. 5690 - 648

The 5690-648 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-6aaa2a1183c4]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

Related Models

• Seiko 3824-532
• Seiko 5248-307
• Seiko 5283-235
• Seiko 6160-732
• Seiko 4427-115
• Seiko 0760-180
• Seiko 0719-579
• Seiko 7141-210
• Seiko 6189-969
• Seiko 6680-331
• Seiko 0736-289
• Seiko 5610-322