Seiko Cal. 6616 - 970

The Seiko 6616-970 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-c665920a0363]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

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