Seiko Cal. 5643 - 965

The Seiko 5643-965 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-77563b101297]

Also known as: Monster, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1968

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