Seiko Cal. 5638 - 229

The 5638-229 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5638 caliber with 31j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-da1c74324a9e]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1977

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