Seiko Cal. 6399 - 738

The Seiko 6399-738 represents an important milestone in Seiko's 1987 lineup. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-8fd6418ae97d]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

Related Models

• Seiko 5676-575
• Seiko 6641-550
• Seiko 5663-604
• Seiko 7175-680
• Seiko 4560-639
• Seiko 4599-404
• Seiko 7093-905
• Seiko 6631-195
• Seiko 7027-812
• Seiko 5645-500
• Seiko 0789-205
• Seiko 5686-843