Seiko Cal. 5642 - 378

Seiko 5642-378

The 5642-378 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a7e2a0e8b5e2]

Also known as: Turtle

Specifications

Movement
Solar
Case Material
Titanium
Case Width
40mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
17j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1998

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