Seiko Cal. 6257 - 333

This Spring Drive model from 1966 features a 39mm Two-Tone case. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-5910044dcd6f]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1966

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