Seiko Cal. 5238 - 765

Seiko 5238-765

The Seiko 5238-765 represents an important milestone in Seiko's 1969 lineup. Powered by the 5238 caliber with 31j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-e988b29ffbe5]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1969

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