Seiko Cal. 6644 - 128

Released in 1975, the Cal. 6644 with design code 128 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-2fdb888ae20d]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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