Seiko Cal. 0746 - 820

The 0746-820 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0746 caliber with 23j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-e1ef56174a8e]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1966

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