Seiko Cal. 3851 - 730

The Seiko 3851-730 represents an important milestone in Seiko's 1978 lineup. Powered by the 3851 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-a21a76596389]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1978

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