Seiko Cal. 5221 - 366

This Hand-Winding model from 1983 features a 41mm Two-Tone case. Powered by the 5221 caliber with 30j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-8f65f9adadf4]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1983

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