Seiko Cal. 4488 - 356

This Hand-Winding model from 1971 features a 36mm Stainless Steel case. Powered by the 4488 caliber with 35j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-a8502bb63524]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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