Seiko Cal. 5645 - 706

Released in 1972, the Cal. 5645 with design code 706 was part of Seiko's domestic market collection. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-fc446ba355e6]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

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