Seiko Cal. 0780 - 644

The 0780-644 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0780 caliber with 32j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-ef126fa9eaa0]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1997

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