Seiko Cal. 7054 - 428

The Seiko 7054-428 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-1ad7dd17edef]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1986

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