Seiko Cal. 5634 - 400

This Quartz model from 1967 features a 34mm Two-Tone case. Powered by the 5634 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-de2c63f7c762]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1967

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