Seiko Cal. 4550 - 850

The Seiko 4550-850 represents an important milestone in Seiko's 1988 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-624a9002c95c]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1988

Related Models

• Seiko 4435-406
• Seiko 6178-886
• Seiko 4547-882
• Seiko 4573-234
• Seiko 6251-624
• Seiko 3893-801
• Seiko 5253-402
• Seiko 0780-333
• Seiko 6321-855
• Seiko 4522-362
• Seiko 6610-565
• Seiko 5682-721