Seiko Cal. 3813 - 307

The 3813-307 is a sought-after Solar piece from Seiko's golden era. Powered by the 3813 caliber with 36j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-334fda6d8655]

Also known as: Silverwave, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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