Seiko Cal. 5688 - 985

The Seiko 5688-985 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-876777e35543]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

Related Models

• Seiko 3832-328
• Seiko 7067-494
• Seiko 6639-856
• Seiko 0778-341
• Seiko 6260-263
• Seiko 6139-848
• Seiko 7122-616
• Seiko 6195-571
• Seiko 6168-997
• Seiko 7058-686
• Seiko 7037-770
• Seiko 4571-341