Seiko Cal. 6121 - 577

The Seiko 6121-577 represents an important milestone in Seiko's 1975 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-8b03ef6eef5c]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1975

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