Seiko Cal. 6340 - 442

The 6340-442 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6340 caliber with 33j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-f82962c4f683]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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