Seiko Cal. 5661 - 936

The Seiko 5661-936 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-5174ff675e2d]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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