Seiko Cal. 4489 - 248

The Seiko 4489-248 represents an important milestone in Seiko's 1968 lineup. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-b6979fd4fdd3]

Also known as: Helmet, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1968

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