Seiko Cal. 6154 - 998

This Spring Drive model from 1970 features a 40mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-fa64a0ab2bf3]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1970

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