Seiko Cal. 6257 - 155

Released in 1972, the Cal. 6257 with design code 155 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-d091c248d07c]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1972

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