Seiko Cal. 4437 - 919

This Hand-Winding model from 1998 features a 46mm Two-Tone case. Powered by the 4437 caliber with 22j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-967c61ba189f]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1998

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