Seiko Cal. 6388 - 939

The Seiko 6388-939 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-16c88b28e3fd]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

Related Models

• Seiko 6340-816
• Seiko 0766-249
• Seiko 6219-969
• Seiko 6387-193
• Seiko 7141-991
• Seiko 7073-918
• Seiko 7198-937
• Seiko 4539-875
• Seiko 6337-284
• Seiko 4527-839
• Seiko 6652-813
• Seiko 5258-874