Seiko Cal. 4527 - 263

The Seiko 4527-263 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-b785b297f035]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1977

Related Models

• Seiko 7091-397
• Seiko 4517-332
• Seiko 3852-682
• Seiko 6280-154
• Seiko 4474-477
• Seiko 4550-545
• Seiko 6244-431
• Seiko 6314-400
• Seiko 6653-653
• Seiko 5690-642
• Seiko 4566-499
• Seiko 7069-562