Seiko Cal. 6677 - 621

The 6677-621 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-fc5aa1e0818e]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1981

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