Seiko Cal. 6624 - 257

The Seiko 6624-257 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-56f1979e2d41]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1970

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