Seiko Cal. 6616 - 201

The 6616-201 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-04dbc77aea33]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1970

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