Seiko Cal. 6121 - 985

The Seiko 6121-985 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e471b0804839]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1970

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