Seiko Cal. 5646 - 869

This Quartz model from 1991 features a 37mm Two-Tone case. Powered by the 5646 caliber with 21j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-64e0449b6eb3]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1991

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