Seiko Cal. 6221 - 633

This Solar model from 1981 features a 38mm Two-Tone case. Powered by the 6221 caliber with 25j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-e0edb2511c96]

Also known as: Monster, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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