Seiko Cal. 5640 - 952

The Seiko 5640-952 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-101f266f12fc]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1968

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