Seiko Cal. 5257 - 561

The Seiko 5257-561 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-f26d6570e17d]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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