Seiko Cal. 7138 - 232

The 7138-232 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7138 caliber with 19j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-9cefcf3282ef]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1995

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