Seiko Cal. 4438 - 718

Seiko 4438-718

The Seiko 4438-718 represents an important milestone in Seiko's 1969 lineup. Powered by the 4438 caliber with 34j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b85aeaefd71d]

Also known as: Turtle, Samurai

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Green
Jewels
34j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1969

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