Seiko Cal. 7157 - 654

The Seiko 7157-654 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-58a3e0014319]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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