Seiko Cal. 6388 - 358

This Hand-Winding model from 1981 features a 40mm Stainless Steel case. Powered by the 6388 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-a0809bb05a3b]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

Related Models

• Seiko 7095-406
• Seiko 5670-247
• Seiko 6351-416
• Seiko 6623-146
• Seiko 7046-529
• Seiko 6350-483
• Seiko 6260-138
• Seiko 7124-520
• Seiko 6634-820
• Seiko 3858-753
• Seiko 4427-636
• Seiko 5272-958