Seiko Cal. 7158 - 198

This Solar model from 1977 features a 44mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-68841b92e97d]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1977

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