Seiko Cal. 4591 - 988

The Seiko 4591-988 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-520b049c64d9]

Also known as: Helmet, Goldfeather

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

Related Models

• Seiko 0781-874
• Seiko 4585-703
• Seiko 7121-889
• Seiko 0777-950
• Seiko 4419-641
• Seiko 6229-787
• Seiko 4530-625
• Seiko 6396-127
• Seiko 4492-942
• Seiko 0745-239
• Seiko 3875-747
• Seiko 6313-339