Seiko Cal. 3899 - 957

This Hand-Winding model from 1987 features a 42mm Titanium case. Powered by the 3899 caliber with 20j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-2125ef4ad6fa]

Also known as: Panda, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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