Seiko Cal. 5666 - 770

The 5666-770 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-51316a8f1ac0]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1987

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