Seiko Cal. 7057 - 144

This Hand-Winding model from 1966 features a 39mm Two-Tone case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-816894dcd7da]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1966

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