Seiko Cal. 6320 - 737

The 6320-737 is a sought-after Solar piece from Seiko's golden era. Powered by the 6320 caliber with 29j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-d86c47b74c4c]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

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