Seiko Cal. 6340 - 263

The 6340-263 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6340 caliber with 17j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-328a3fc7d90d]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1967

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