Seiko Cal. 5273 - 277

The Seiko 5273-277 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d11e04e67f9c]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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