Seiko Cal. 5637 - 746

Released in 1972, the Cal. 5637 with design code 746 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-d84f3aab7b51]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1972

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