Seiko Cal. 4548 - 643

Seiko 4548-643

The 4548-643 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d0bd24b5e762]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Cream
Jewels
25j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1985

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