Seiko Cal. 5688 - 580

This Hand-Winding model from 1968 features a 39mm Hardlex-Coated Steel case. Powered by the 5688 caliber with 25j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-84638a2f5e7f]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

Related Models

• Seiko 3850-179
• Seiko 6335-135
• Seiko 6172-347
• Seiko 6662-368
• Seiko 6656-631
• Seiko 3832-630
• Seiko 0768-414
• Seiko 4522-144
• Seiko 6379-460
• Seiko 4452-774
• Seiko 3830-405
• Seiko 6672-890