Seiko Cal. 0720 - 888

This Spring Drive model from 1978 features a 39mm Two-Tone case. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-7ebf3f0406d0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1978

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