Seiko Cal. 7148 - 100

The 7148-100 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-b143d8f553d7]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1987

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