Seiko Cal. 4457 - 139

The Seiko 4457-139 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-04b94ed5788b]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

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