Seiko Cal. 6139 - 122

The 6139-122 is a sought-after Solar piece from Seiko's golden era. Powered by the 6139 caliber with 33j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-86cb3ebbfd3a]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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