Seiko Cal. 7148 - 539

The Seiko 7148-539 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-b66f53093349]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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