Seiko Cal. 6257 - 251

This Spring Drive model from 1965 features a 36mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-199482b50cb0]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1965

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