Seiko Cal. 6381 - 763

The 6381-763 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6381 caliber with 36j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-3e450a39e426]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1980

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