Seiko Cal. 6166 - 520

The Seiko 6166-520 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c051653d5f90]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

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