Seiko Cal. 6257 - 232

This Spring Drive model from 1987 features a 39mm Titanium case. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-65351767273d]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1987

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