Seiko Cal. 6320 - 243

This Automatic model from 1965 features a 45mm Hardlex-Coated Steel case. Powered by the 6320 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-6b42ab46b21c]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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