Seiko Cal. 7121 - 819

The Seiko 7121-819 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-f54818bf6d68]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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