Seiko Cal. 5238 - 642

The Seiko 5238-642 represents an important milestone in Seiko's 1968 lineup. Powered by the 5238 caliber with 17j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-0b5058f995f8]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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