Seiko Cal. 4539 - 550

The Seiko 4539-550 represents an important milestone in Seiko's 1971 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-8bad1ddfb579]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

Related Models

• Seiko 0750-253
• Seiko 5241-994
• Seiko 7063-381
• Seiko 6110-671
• Seiko 3839-511
• Seiko 7198-714
• Seiko 6345-139
• Seiko 4543-800
• Seiko 6197-529
• Seiko 6287-517
• Seiko 4410-103
• Seiko 6184-843