Seiko Cal. 5694 - 631

The 5694-631 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5694 caliber with 35j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-b6368c3ca2c8]

Also known as: Rally, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

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