Seiko Cal. 5645 - 456

Seiko 5645-456

The 5645-456 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c3c1f2defe91]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
10.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1966

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