Seiko Cal. 7193 - 544

The Seiko 7193-544 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-9cc1cd589870]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1968

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