Seiko Cal. 3880 - 937

The 3880-937 is a sought-after Solar piece from Seiko's golden era. Powered by the 3880 caliber with 35j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-32215cd4dca6]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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