Seiko Cal. 6387 - 665

This Solar model from 1981 features a 46mm Hardlex-Coated Steel case. Powered by the 6387 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-83aa0ab84142]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1981

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