Seiko Cal. 6645 - 203

The Seiko 6645-203 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-429017e6b920]

Also known as: Samurai, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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