Seiko Cal. 0785 - 634

The 0785-634 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0785 caliber with 28j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-14b234da6931]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1985

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