Seiko Cal. 5640 - 615

This Kinetic model from 1973 features a 36mm Stainless Steel case. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-9a5d318c4476]

Also known as: Monster, Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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