Seiko Cal. 5277 - 818

The 5277-818 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5277 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-81b754ed1f0d]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1997

Related Models

• Seiko 0721-331
• Seiko 6635-490
• Seiko 6660-383
• Seiko 7156-377
• Seiko 6371-644
• Seiko 6228-288
• Seiko 6635-364
• Seiko 3838-657
• Seiko 5216-872
• Seiko 6128-392
• Seiko 3884-656
• Seiko 5666-608