Seiko Cal. 3811 - 973

The 3811-973 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3811 caliber with 22j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-4fbcda6ee552]

Also known as: Monster, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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