Seiko Cal. 5611 - 397

The 5611-397 is a sought-after Solar piece from Seiko's golden era. Powered by the 5611 caliber with 23j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-3b3baeca05d7]

Also known as: Monster, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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