Seiko Cal. 7054 - 683

The Seiko 7054-683 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-37149d132aef]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1976

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