Seiko Cal. 6278 - 153

This Automatic model from 1975 features a 39mm Gold-Plated case. Powered by the 6278 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-639fc981da31]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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