Seiko Cal. 4539 - 381

Seiko 4539-381

The Seiko 4539-381 represents an important milestone in Seiko's 1967 lineup. Powered by the 4539 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-eacbecc2b2bd]

Also known as: Turtle, Rally

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
18j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1967

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