Seiko Cal. 6257 - 335

This Hand-Winding model from 1965 features a 39mm Two-Tone case. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-be3ca172e2fd]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

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