Seiko Cal. 7178 - 759

This Hand-Winding model from 1979 features a 40mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-a773546c6cac]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1979

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