Seiko Cal. 4438 - 542

The Seiko 4438-542 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d35da09abf9b]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1971

Related Models

• Seiko 6375-293
• Seiko 6114-318
• Seiko 6132-368
• Seiko 7131-251
• Seiko 5237-277
• Seiko 0729-898
• Seiko 0736-485
• Seiko 6378-626
• Seiko 3863-370
• Seiko 5652-835
• Seiko 5668-621
• Seiko 6389-302