Seiko Cal. 5688 - 876

This Spring Drive model from 1986 features a 39mm Stainless Steel case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-033f47e0b045]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1986

Related Models

• Seiko 7114-429
• Seiko 6655-516
• Seiko 3882-183
• Seiko 6377-988
• Seiko 7128-574
• Seiko 4592-890
• Seiko 6272-775
• Seiko 6647-127
• Seiko 7032-408
• Seiko 6635-623
• Seiko 7047-136
• Seiko 6299-144