Seiko Cal. 4538 - 940

The Seiko 4538-940 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-7ae8da0f988f]

Also known as: Monster, Silverwave

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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