Seiko Cal. 5238 - 566

The Seiko 5238-566 represents an important milestone in Seiko's 1970 lineup. Powered by the 5238 caliber with 36j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-8ae875399ccd]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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