Seiko Cal. 7148 - 850

The Seiko 7148-850 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-39b73e21a82a]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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