Seiko Cal. 4428 - 845

This Quartz model from 1986 features a 45mm Two-Tone case. Powered by the 4428 caliber with 29j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a5fa7f1fbafc]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1986

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