Seiko Cal. 3810 - 728

The 3810-728 is a sought-after Solar piece from Seiko's golden era. Powered by the 3810 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-1ee0ac08459a]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

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