Seiko Cal. 6178 - 258

This Spring Drive model from 1987 features a 34mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-4bec9350daad]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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