Seiko Cal. 6691 - 953

The 6691-953 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-b135f57e48c1]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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