Seiko Cal. 4478 - 709

The Seiko 4478-709 represents an important milestone in Seiko's 1991 lineup. Powered by the 4478 caliber with 35j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-91848424da5c]

Also known as: Tuna, Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1991

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