Seiko Cal. 5691 - 518

The 5691-518 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-feee4bbf2581]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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