Seiko Cal. 4527 - 915

The Seiko 4527-915 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-2d35b9c28e9f]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

Related Models

• Seiko 6692-746
• Seiko 4564-484
• Seiko 6373-872
• Seiko 6188-539
• Seiko 0796-679
• Seiko 7099-200
• Seiko 6127-374
• Seiko 7043-880
• Seiko 6650-988
• Seiko 0772-642
• Seiko 6161-625
• Seiko 3869-802