Seiko Cal. 4531 - 991

The Seiko 4531-991 represents an important milestone in Seiko's 1987 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-47581d29c088]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

Related Models

• Seiko 6398-914
• Seiko 6311-917
• Seiko 5688-706
• Seiko 6235-356
• Seiko 4573-667
• Seiko 7111-921
• Seiko 5255-239
• Seiko 7074-564
• Seiko 6697-147
• Seiko 6377-893
• Seiko 5247-191
• Seiko 4483-391