Seiko Cal. 4438 - 988

Seiko 4438-988

The 4438-988 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4438 caliber with 26j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-ef4e1d9c3878]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
36mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1969

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