Seiko Cal. 5668 - 148

The Seiko 5668-148 represents an important milestone in Seiko's 1993 lineup. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-18bdb2ebd881]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1993

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