Seiko Cal. 7187 - 645

The 7187-645 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-0cc0df96ed3b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1995

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