Seiko Cal. 3877 - 308

The Seiko 3877-308 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-eea8a5384eb1]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

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