Seiko Cal. 5630 - 938

Released in 1968, the Cal. 5630 with design code 938 was part of Seiko's domestic market collection. Powered by the 5630 caliber with 22j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-1bb2265602cd]

Also known as: Pogue, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1968

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