Seiko Cal. 5640 - 110

This Automatic model from 1986 features a 40mm Stainless Steel case. It features a Cream dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-75d7ad082e94]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

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