Seiko Cal. 6644 - 506

The Seiko 6644-506 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-dfd65a805b93]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1973

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