Seiko Cal. 6691 - 499

The 6691-499 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-914d8eff3e80]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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