Seiko Cal. 6121 - 487

The Seiko 6121-487 represents an important milestone in Seiko's 1999 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c38af86fbbe9]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1999

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