Seiko Cal. 6610 - 548

This Spring Drive model from 1970 features a 46mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-5c8a27122282]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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