Seiko Cal. 6331 - 744

The Seiko 6331-744 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-5b65d74a2c98]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1966

Related Models

• Seiko 4534-726
• Seiko 3896-848
• Seiko 6626-871
• Seiko 7084-671
• Seiko 0776-395
• Seiko 4460-603
• Seiko 6214-247
• Seiko 6685-552
• Seiko 6127-573
• Seiko 0745-752
• Seiko 6692-779
• Seiko 5665-294