Seiko Cal. 6648 - 673

This Hand-Winding model from 1977 features a 36mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-95de1a4aeaf3]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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