Seiko Cal. 4412 - 685

The Seiko 4412-685 represents an important milestone in Seiko's 1981 lineup. Powered by the 4412 caliber with 28j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5fdc22dcb51b]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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