Seiko Cal. 5661 - 736

The Seiko 5661-736 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-47f98aea298c]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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