Seiko Cal. 0728 - 697

This Spring Drive model from 1973 features a 35mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-d900feab8e98]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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