Seiko Cal. 6163 - 686

The 6163-686 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-3147c3805180]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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