Seiko Cal. 5624 - 640

The Seiko 5624-640 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-ffb626f834a8]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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