Seiko Cal. 7128 - 504

The Seiko 7128-504 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f9cb2fbab0c5]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1980

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