Seiko Cal. 7121 - 833

The Seiko 7121-833 represents an important milestone in Seiko's 1977 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-dbdc7851c585]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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