Seiko Cal. 6621 - 542

This Hand-Winding model from 1974 features a 45mm Hardlex-Coated Steel case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1da93ab93813]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1974

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