Seiko Cal. 6320 - 840

This Solar model from 1978 features a 40mm Stainless Steel case. Powered by the 6320 caliber with 25j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-b7e320f045b8]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1978

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