Seiko Cal. 4492 - 977

Seiko 4492-977

The Seiko 4492-977 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8dc30f19c5d0]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Black
Jewels
19j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1970

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