Seiko Cal. 6277 - 378

The 6277-378 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6277 caliber with 28j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-22af34ac14a8]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1997

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