Seiko Cal. 5685 - 121

The Seiko 5685-121 represents an important milestone in Seiko's 1975 lineup. Powered by the 5685 caliber with 30j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-fbe9943ae495]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1975

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