Seiko Cal. 6257 - 311

The 6257-311 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-50df50c228dc]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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