Seiko Cal. 5640 - 107

This Spring Drive model from 1968 features a 36mm Titanium case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-20951322a302]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1968

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