Seiko Cal. 5640 - 995

The 5640-995 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-fa38fa85fd0c]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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