Seiko Cal. 6661 - 150

The Seiko 6661-150 represents an important milestone in Seiko's 1984 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-77f2605313b0]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1984

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