Seiko Cal. 6340 - 747

The 6340-747 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6340 caliber with 23j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-e8f5b0922626]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1994

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