Seiko Cal. 7161 - 439

The Seiko 7161-439 represents an important milestone in Seiko's 1966 lineup. Powered by the 7161 caliber with 25j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-fb608de6c213]

Also known as: Panda, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1966

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