Seiko Cal. 6221 - 658

The Seiko 6221-658 represents an important milestone in Seiko's 1987 lineup. Powered by the 6221 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-e5e1b98eb779]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

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