Seiko Cal. 5648 - 416

The 5648-416 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-8e3b8049360d]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

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