Seiko Cal. 0715 - 863

This Spring Drive model from 1979 features a 40mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-137a819295c4]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1979

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