Seiko Cal. 7148 - 394

This Spring Drive model from 1987 features a 45mm PVD Black case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5fc33928cf5d]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1987

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