Seiko Cal. 6257 - 328

The Seiko 6257-328 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-5ec63de68493]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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