Seiko Cal. 3851 - 745

The Seiko 3851-745 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-78a36cb6fc7d]

Also known as: Rally, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1972

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