Seiko Cal. 3813 - 537

The 3813-537 is a sought-after Solar piece from Seiko's golden era. Powered by the 3813 caliber with 35j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-eb1ee6891935]

Also known as: Monster, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1982

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