Seiko Cal. 6388 - 840

The Seiko 6388-840 represents an important milestone in Seiko's 1985 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-d6c200bfae48]

Also known as: Samurai, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1985

Related Models

• Seiko 4476-339
• Seiko 5249-256
• Seiko 3880-970
• Seiko 7051-165
• Seiko 3824-997
• Seiko 5694-650
• Seiko 6135-270
• Seiko 6275-363
• Seiko 4441-587
• Seiko 4496-839
• Seiko 6348-679
• Seiko 7159-973