Seiko Cal. 7178 - 817

This Spring Drive model from 1983 features a 37mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-cec8fa8cc1a9]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1983

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