Seiko Cal. 6187 - 478

This Spring Drive model from 1975 features a 35mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-5a727e4ebc75]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

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