Seiko Cal. 5240 - 674

This Spring Drive model from 1980 features a 42mm PVD Black case. It features a Burgundy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-d3ce0495a4f3]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

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